#45100A
Closest named color: Mahogany (#4A0100). oklch(26.5% 0.082 29.9), rgb(69, 16, 10).
Aa
White text reads best on this color (15.77:1).
About this color
#45100A is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.082 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.023 away. White text reads best on it, at 15.77:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.33:1 |
| White text | 15.77:1 |
Values
| HEX | #45100A |
| RGB | rgb(69, 16, 10) |
| HSL | hsl(6, 75%, 15%) |
| OKLCH | oklch(26.5% 0.082 29.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #45100A | 15.77:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #45100A | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #45100A text on white | 15.77:1 | AAA | Lc 102.1 | Preferred for body text |
| #45100A text on black | 1.33:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DF
oklch(93.5% 0.028 28.5)
-
Step 200
200
#FBCDC4
oklch(88.6% 0.054 31)
-
Step 300
300
#F9A99B
oklch(80.9% 0.097 30.3)
-
Step 400
400
#F27664
oklch(70.7% 0.156 29.9)
-
Step 500
500
#E94937
oklch(63% 0.199 30)
-
Step 600
600
#D51B0B
oklch(55.7% 0.217 30)
-
Step 700
700
#B60B00
oklch(49.1% 0.197 30)
-
Step 800
800
#950F05
oklch(42.7% 0.167 29.9)
-
Step 900
900
#781A10
oklch(37.8% 0.13 30.2)
-
Step 950
950 (this color)
#45100A
oklch(26.5% 0.082 29.9)
#45100A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #1F1B09 | 0.087 |
| Deuteranopia (no green cones) | #2C2708 | 0.080 |
| Tritanopia (no blue cones) | #4D020F | 0.028 |
| Achromatopsia (no color) | #232323 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45100A
#45100A
oklch(26.5% 0.082 29.9)
- #002B31
#002B31
oklch(26.5% 0.046 209.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #45100A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.023
- Chocolate Brown #411900 ΔE 0.028
- Deep Brown #410200 ΔE 0.029
- Dark Maroon #3C0008 ΔE 0.043
- Dark Brown #341C02 ΔE 0.050
- Burgundy #610023 ΔE 0.076
- Dark Plum #3F012C ΔE 0.076
- Claret #680018 ΔE 0.082
Use #45100A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.